[PATCH] ACPI: Always report a sync event after a lid state change

[Guillem Jover <guillem.jover@nokia.com>]

Currently not always an EV_SYN event is reported to userland
after the EV_SW SW_LID event has been sent. This is easy to verify
by using “input-events” from input-utils and just closing and opening
the lid.

Signed-off-by: Guillem Jover <guillem.jover@nokia.com>
---
 drivers/acpi/button.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 1dfec41..59352d9 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -262,6 +262,7 @@ static int acpi_lid_send_state(struct acpi_button *button)
 		return -ENODEV;
 	/* input layer checks if event is redundant */
 	input_report_switch(button->input, SW_LID, !state);
+	input_sync(button->input);
 	return 0;
 }
 
@@ -285,8 +286,8 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
 			input_report_key(input, keycode, 1);
 			input_sync(input);
 			input_report_key(input, keycode, 0);
+			input_sync(input);
 		}
-		input_sync(input);
 
 		acpi_bus_generate_proc_event(button->device, event,
 					++button->pushed);
-- 
1.6.0.2

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